GLS provides linguist and vetting personnel who screen third-country national and host nation individuals who are seeking employment or access to USG and military facilities overseas. Our US cleared vetting personnel utilize biometrics tools and are trained in special interview techniques for screening visitors and applicants, including refugees seeking asylum. Vetting includes verification of personal identifying information, degree verification, reference checks, criminal and financial background checks and polygraph administration. GLS’ vetting personnel are vital to the prevention of terrorism and the counterintelligence process.